Billboard announced Wednesday that Bruno Mars and R&B singer Miguel will also perform at the awards show. Those acts are finalists for the milestone award, a new honor presented to an act who has achieved a landmark on the Billboard charts in the last year.

Other nominees include The Band Perry and Pitbull.

Nominations for other categories haven't been announced.

First Look at "Hannibal"

"Hannibal" takes a look at the early relationship between the renowned psychiatrist, Hannibal Lecter (Mads Mikkelsen), and his patient, a young FBI criminal profiler, Will Graham (Hugh Dancy), who is haunted by his ability to empathize with serial killers. Premieres April 4 on NBC.

(Published Tuesday, April 2, 2013)

Prince will receive the icon award at the show, to air live from the MGM Grand Garden Arena on ABC at 8 p.m. Eastern.

Online voting is open for the milestone award and will be narrowed to three finalists later this month.